| 摘要 |
A bracket for lingual orthodontics, comprising a base ( 2 ) to be fastened onto the lingual side of a tooth, three engaging tabs ( 4, 5, 6 ) adapted to engage and hold a system ( 9 ) for binding the dental arc, a housing ( 3 ) for an orthodontic wire ( 8 ) which extends along the dental arc, and a member ( 7 ) for retaining the orthodontic wire within said housing ( 3 ), which extends only along a limited segment thereof and facing the housing ( 3 ) in such a way as to abut the orthodontic wire ( 8 ) received in said housing ( 3 ). |
